Home / 135,769,268.54-187,381,333.61-76,237,247.72

Finding the Fourth Proportional to 135,769,268.54, 187,381,333.61 and 76,237,247.72

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Solution

The fourth proportional to 135,769,268.54, 187,381,333.61 and 76,237,247.72 is: 105,218,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,769,268.54 : 187,381,333.61 = 76,237,247.72 : x
  2. Step 2: Convert to fraction form
    135,769,268.54/187,381,333.61 = 76,237,247.72/x
  3. Step 3: Cross multiply
    135,769,268.54x = 187,381,333.61 × 76,237,247.72
  4. Step 4: Simplify right side
    135,769,268.54x = 14,285,437,148,529,532
  5. Step 5: Solve for x
    x = 14,285,437,148,529,532/135,769,268.54
  6. Step 6: Final answer
    x = 105,218,487.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.